Add libtool to BuildRequirements
tracker-extract-playlist: Added nfo:MediaList (to existing nmm:PlayList)

Based on a patch from Trever Fischer.

Fixes GB#690170, Add nfo:MediaList type to .m3u playlist files
tracker-extract-playlist: Support nie:title for the playlist

Fixed GB#692409, New: playlist extractor should index playlist title if
available
Merge pull request #11 from pvanhoof/master

Pull request for nemo